FullStack Engineer - Credit ManagementEnglish summary from Japanese

株式会社 UPSIDER

✓ Detailed

Salary

当社規定による。賞与あり(半期に一回、グレードや実績によって支給)

Location

フルリモートワーク東京オフィス

Job Type

Full-time

Work Style

フルフレックス、フルリモート、土日祝日休み、有給休暇あり、年末年始、夏季休暇、出産育児休暇制度あり

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Role summaryEnglish summary from Japanese

English summary for screening — check the original posting before applying.

UPSIDER is building a global financial platform for challengers, focusing on corporate cards, invoice payments, and growth debt funds. This role involves rebuilding the core credit management system, a critical product for business growth, within a small, fast-paced team.

Must-haves

Experience in technical decision-making
Experience in specification formulation, requirements definition, and design
Experience in code reviews
Practical experience in Agentic Coding using tools like Claude Code, Codex, or Devin

Nice-to-haves

Full-stack development experience with TypeScript
Frontend development experience using React or Next.js
Ability to design architectures considering scalability, maintainability, and readability
Extensive experience in data modeling, database schema design, and optimization
Experience in understanding business domains and proposing solutions through dialogue with business departments

Tech stack

TypeScript

About the Company